GPUBoss Review Our evaluation of 7950 Mac vs 970 among Desktop GPUs

Gaming

Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more

Graphics

T-Rex, Manhattan, Cloud Gate Factor, Sky Diver Factor and 1 more

Computing

Face Detection, Ocean Surface Simulation and 3 more

Performance per Watt

Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Value

Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Noise and Power

TDP, Idle Power Consumption, Load Power Consumption and 2 more

7.2

Overall Score

Winner
Nvidia GeForce GTX 970 

GPUBoss recommends the Nvidia GeForce GTX 970  based on its noise and power.

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VS

Differences What are the advantages of each

Front view of Radeon HD 7950 Mac

Reasons to consider the
AMD Radeon HD 7950 Mac

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Slightly higher memory bandwidth 240 GB/s vs 224.4 GB/s More than 5% higher memory bandwidth
Slightly more shading units 1,792 vs 1,664 128 more shading units
Slightly more texture mapping units 112 vs 104 8 more texture mapping units
Slightly wider memory bus 384 bit vs 256 bit 50% wider memory bus
Front view of GeForce GTX 970

Reasons to consider the
Nvidia GeForce GTX 970

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Higher clock speed 1,050 MHz vs 800 MHz More than 30% higher clock speed
Higher effective memory clock speed 7,012 MHz vs 5,000 MHz More than 40% higher effective memory clock speed
Higher pixel rate 58.8 GPixel/s vs 25.6 GPixel/s More than 2.2x higher pixel rate
Much better T-Rex score 6.71 frames/s vs -1 frames/s Around 775% better T-Rex score
More memory 4,096 MB vs 3,072 MB Around 35% more memory
More render output processors 56 vs 32 24 more render output processors
Slightly better floating-point performance 3,494 GFLOPS vs 2,867.2 GFLOPS More than 20% better floating-point performance
Significantly higher memory clock speed 1,753 MHz vs 1,250 MHz More than 40% higher memory clock speed
Slightly higher texture rate 109.2 GTexel/s vs 89.6 GTexel/s More than 20% higher texture rate
Lower TDP 148W vs 200W More than 25% lower TDP

Benchmarks Real world tests of Radeon HD 7950 Mac vs GeForce GTX 970

Bitcoin mining Data courtesy CompuBench

Radeon HD 7950 Mac
370.18 mHash/s
GeForce GTX 970
485.85 mHash/s

Face detection Data courtesy CompuBench

Radeon HD 7950 Mac
67.8 mPixels/s
GeForce GTX 970
102.43 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon HD 7950 Mac
1,230.77 frames/s
GeForce GTX 970
1,203.9 frames/s

Particle simulation Data courtesy CompuBench

Radeon HD 7950 Mac
460.4 mInteraction/s
GeForce GTX 970
1,122.49 mInteraction/s

T-Rex (Compubench 1.5) Data courtesy CompuBench

Radeon HD 7950 Mac
-1 frames/s
GeForce GTX 970
6.71 frames/s

Video composition Data courtesy CompuBench

Radeon HD 7950 Mac
81.68 frames/s
GeForce GTX 970
41.93 frames/s

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